#99D573
Closest named color: Pale Olive Green (#B1D27B). oklch(81% 0.143 134.4), rgb(153, 213, 115).
Aa
Black text reads best on this color (12.11:1).
About this color
#99D573 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.143 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.033 away. Black text reads best on it, at 12.11:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 12.11:1 |
| White text | 1.73:1 |
Values
| HEX | #99D573 |
| RGB | rgb(153, 213, 115) |
| HSL | hsl(97, 54%, 64%) |
| OKLCH | oklch(81% 0.143 134.4) |
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 #99D573 | 1.73:1 | Fails | Lc -35.2 | Non-text elements, placeholder text |
| Black text on #99D573 | 12.11:1 | AAA | Lc 72.6 | Content text, not long reading |
| #99D573 text on white | 1.73:1 | Fails | Lc 31.3 | Non-text elements, placeholder text |
| #99D573 text on black | 12.11:1 | AAA | Lc -71.5 | 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
#F0F9EC
oklch(97.2% 0.02 135.8)
-
Step 100
100
#DFF1D5
oklch(93.7% 0.042 134.2)
-
Step 200
200
#C3E5B0
oklch(88.4% 0.079 134.5)
-
Step 300
300 (this color)
#99D573
oklch(81% 0.143 134.4)
-
Step 400
400
#65BA00
oklch(70.7% 0.204 134.3)
-
Step 500
500
#56A000
oklch(63.2% 0.183 134.3)
-
Step 600
600
#478600
oklch(55.6% 0.16 134.3)
-
Step 700
700
#3B7100
oklch(49.2% 0.142 134.3)
-
Step 800
800
#2F5D00
oklch(42.8% 0.124 134.5)
-
Step 900
900
#264D00
oklch(37.6% 0.109 134.4)
-
Step 950
950
#142E00
oklch(27% 0.078 134.6)
#99D573 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) | #DCC86B | 0.088 |
| Deuteranopia (no green cones) | #D3C379 | 0.088 |
| Tritanopia (no blue cones) | #99CEBE | 0.105 |
| Achromatopsia (no color) | #C5C5C5 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D573
#99D573
oklch(81% 0.143 134.4)
- #E2A5FF
#E2A5FF
oklch(81% 0.139 314.4)
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 #99D573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.033
- Light Moss Green #A6C875 ΔE 0.038
- Greenish Tan #BCCB7A ΔE 0.052
- Pale Olive #B9CC81 ΔE 0.052
- Yellow Green #9ACD32 ΔE 0.052
- Light Olive Green #A4BE5C ΔE 0.059
- Light Olive #ACBF69 ΔE 0.059
- Greenish Beige #C9D179 ΔE 0.062
Use #99D573 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.