#99C596
Closest named color: Dark Sea Green (#8FBC8F). oklch(77.9% 0.081 143.1), rgb(153, 197, 150).
Aa
Black text reads best on this color (10.78:1).
About this color
#99C596 is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.081 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.029 away. Black text reads best on it, at 10.78:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 10.78:1 |
| White text | 1.94:1 |
Values
| HEX | #99C596 |
| RGB | rgb(153, 197, 150) |
| HSL | hsl(116, 29%, 68%) |
| OKLCH | oklch(77.9% 0.081 143.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #99C596 | 1.94:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #99C596 | 10.78:1 | AAA | Lc 66.5 | Content text, not long reading |
| #99C596 text on white | 1.94:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #99C596 text on black | 10.78:1 | AAA | Lc -65.0 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C7
oklch(88.4% 0.044 144.2)
-
Step 300
300 (this color)
#99C596
oklch(77.9% 0.081 143.1)
-
Step 400
400
#6DB56A
oklch(70.7% 0.129 143.2)
-
Step 500
500
#40A23F
oklch(63.2% 0.165 143.2)
-
Step 600
600
#108C18
oklch(55.7% 0.179 143.2)
-
Step 700
700
#00760B
oklch(49.1% 0.163 143.2)
-
Step 800
800
#07610D
oklch(42.8% 0.138 143.2)
-
Step 900
900
#144F15
oklch(37.6% 0.107 143.3)
-
Step 950
950
#0E2E0E
oklch(26.8% 0.067 143.4)
#99C596 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C7BC93 | 0.062 |
| Deuteranopia (no green cones) | #C0B898 | 0.060 |
| Tritanopia (no blue cones) | #95C2B8 | 0.050 |
| Achromatopsia (no color) | #BABABA | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C596
#99C596
oklch(77.9% 0.081 143.1)
- #D1A6D5
#D1A6D5
oklch(77.9% 0.081 323.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99C596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.029
- Pale Teal #82CBB2 ΔE 0.039
- Tan Green #A9BE70 ΔE 0.045
- Light Moss Green #A6C875 ΔE 0.045
- Seafoam Blue #78D1B6 ΔE 0.049
- Lichen #8FB67B ΔE 0.050
- Muted Teal #90B494 ΔE 0.050
- Medium Aquamarine #66CDAA ΔE 0.051
Use #99C596 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.