#99CD43
Closest named color: Yellow Green (#9ACD32). oklch(78.5% 0.174 127.8), rgb(153, 205, 67).
Aa
Black text reads best on this color (11.16:1).
About this color
#99CD43 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.174 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.011 away. Black text reads best on it, at 11.16:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #99CD43 |
| RGB | rgb(153, 205, 67) |
| HSL | hsl(83, 58%, 53%) |
| OKLCH | oklch(78.5% 0.174 127.8) |
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 #99CD43 | 1.88:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #99CD43 | 11.16:1 | AAA | Lc 68.4 | Content text, not long reading |
| #99CD43 text on white | 1.88:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #99CD43 text on black | 11.16:1 | AAA | Lc -67.0 | 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
#F1F9E8
oklch(97.2% 0.024 127.6)
-
Step 100
100
#E0F1CD
oklch(93.6% 0.051 128)
-
Step 200
200
#C7E6A1
oklch(88.6% 0.097 127.9)
-
Step 300
300 (this color)
#99CD43
oklch(78.5% 0.174 127.8)
-
Step 400
400
#7FB400
oklch(70.6% 0.184 127.8)
-
Step 500
500
#6C9B00
oklch(63.2% 0.165 128)
-
Step 600
600
#5B8200
oklch(55.6% 0.145 127.6)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3D5900
oklch(42.6% 0.111 127.7)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#99CD43 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) | #D7BF2F | 0.085 |
| Deuteranopia (no green cones) | #D0BC4E | 0.087 |
| Tritanopia (no blue cones) | #9EC4B1 | 0.137 |
| Achromatopsia (no color) | #BDBDBD | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CD43
#99CD43
oklch(78.5% 0.174 127.8)
- #D29FFF
#D29FFF
oklch(78.5% 0.142 307.8)
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 #99CD43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.011
- Slime Green #99CC04 ΔE 0.025
- Pea #A4BF20 ΔE 0.037
- Apple Green #76CD26 ΔE 0.045
- Apple #6ECB3C ΔE 0.047
- Bright Olive #9CBB04 ΔE 0.048
- Fresh Green #69D84F ΔE 0.050
- Light Olive Green #A4BE5C ΔE 0.054
Use #99CD43 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.