#99CD4E
Closest named color: Yellow Green (#9ACD32). oklch(78.6% 0.166 128.6), rgb(153, 205, 78).
Aa
Black text reads best on this color (11.19:1).
About this color
#99CD4E is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.166 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.019 away. Black text reads best on it, at 11.19:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.19:1 |
| White text | 1.87:1 |
Values
| HEX | #99CD4E |
| RGB | rgb(153, 205, 78) |
| HSL | hsl(85, 56%, 55%) |
| OKLCH | oklch(78.6% 0.166 128.6) |
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 #99CD4E | 1.87:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #99CD4E | 11.19:1 | AAA | Lc 68.5 | Content text, not long reading |
| #99CD4E text on white | 1.87:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #99CD4E text on black | 11.19:1 | AAA | Lc -67.2 | 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
#F1F9E9
oklch(97.2% 0.023 128.7)
-
Step 100
100
#E0F1CF
oklch(93.7% 0.048 129.1)
-
Step 200
200
#C7E5A4
oklch(88.4% 0.092 128.3)
-
Step 300
300 (this color)
#99CD4E
oklch(78.6% 0.166 128.6)
-
Step 400
400
#7DB500
oklch(70.7% 0.186 128.5)
-
Step 500
500
#6A9B00
oklch(63% 0.166 128.6)
-
Step 600
600
#598200
oklch(55.5% 0.146 128.3)
-
Step 700
700
#4A6E00
oklch(49.2% 0.13 128.6)
-
Step 800
800
#3C5A00
oklch(42.8% 0.113 128.5)
-
Step 900
900
#314B00
oklch(37.7% 0.1 128.7)
-
Step 950
950
#1C2D00
oklch(27.2% 0.072 128.5)
#99CD4E 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) | #D6C03F | 0.083 |
| Deuteranopia (no green cones) | #CFBC57 | 0.085 |
| Tritanopia (no blue cones) | #9DC4B2 | 0.130 |
| Achromatopsia (no color) | #BDBDBD | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CD4E
#99CD4E
oklch(78.6% 0.166 128.6)
- #D49FFF
#D49FFF
oklch(78.7% 0.143 308.8)
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 #99CD4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.019
- Slime Green #99CC04 ΔE 0.033
- Pea #A4BF20 ΔE 0.039
- Light Olive Green #A4BE5C ΔE 0.048
- Light Moss Green #A6C875 ΔE 0.050
- Apple Green #76CD26 ΔE 0.051
- Apple #6ECB3C ΔE 0.051
- Bright Olive #9CBB04 ΔE 0.051
Use #99CD4E 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.