#99C366
Closest named color: Light Olive Green (#A4BE5C). oklch(76.6% 0.13 129), rgb(153, 195, 102).
Aa
Black text reads best on this color (10.35:1).
About this color
#99C366 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.130 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.017 away. Black text reads best on it, at 10.35:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.35:1 |
| White text | 2.02:1 |
Values
| HEX | #99C366 |
| RGB | rgb(153, 195, 102) |
| HSL | hsl(87, 44%, 58%) |
| OKLCH | oklch(76.6% 0.13 129) |
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 #99C366 | 2.02:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #99C366 | 10.35:1 | AAA | Lc 64.6 | Content text, not long reading |
| #99C366 text on white | 2.02:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #99C366 text on black | 10.35:1 | AAA | Lc -63.0 | 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
#F2F8EC
oklch(97.1% 0.017 128.7)
-
Step 100
100
#E2EFD5
oklch(93.5% 0.037 128.9)
-
Step 200
200
#CAE3B1
oklch(88.5% 0.072 129.4)
-
Step 300
300 (this color)
#99C366
oklch(76.6% 0.13 129)
-
Step 400
400
#7BB500
oklch(70.6% 0.187 129)
-
Step 500
500
#699C00
oklch(63.2% 0.168 129.1)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#99C366 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) | #CBB85E | 0.069 |
| Deuteranopia (no green cones) | #C5B56B | 0.070 |
| Tritanopia (no blue cones) | #9CBCAD | 0.100 |
| Achromatopsia (no color) | #B6B6B6 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99C366
#99C366
oklch(76.6% 0.13 129)
- #CB9BF2
#CB9BF2
oklch(76.6% 0.131 308.9)
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 #99C366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.017
- Light Olive #ACBF69 ΔE 0.027
- Light Moss Green #A6C875 ΔE 0.027
- Tan Green #A9BE70 ΔE 0.029
- Soft Green #6FC276 ΔE 0.046
- Pea #A4BF20 ΔE 0.049
- Lichen #8FB67B ΔE 0.052
- Pale Olive Green #B1D27B ΔE 0.055
Use #99C366 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.