#99CB4E
Closest named color: Yellow Green (#9ACD32). oklch(78.2% 0.163 128.2), rgb(153, 203, 78).
Aa
Black text reads best on this color (11.00:1).
About this color
#99CB4E is a light, vivid green. In OKLCH its lightness is 78%, its chroma 0.163 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 0.021 away. Black text reads best on it, at 11.00:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.00:1 |
| White text | 1.90:1 |
Values
| HEX | #99CB4E |
| RGB | rgb(153, 203, 78) |
| HSL | hsl(84, 55%, 55%) |
| OKLCH | oklch(78.2% 0.163 128.2) |
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 #99CB4E | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #99CB4E | 11.00:1 | AAA | Lc 67.6 | Content text, not long reading |
| #99CB4E text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #99CB4E text on black | 11.00:1 | AAA | Lc -66.2 | 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
#E1F0CF
oklch(93.5% 0.046 127.3)
-
Step 200
200
#C8E5A5
oklch(88.5% 0.09 127.9)
-
Step 300
300 (this color)
#99CB4E
oklch(78.2% 0.163 128.2)
-
Step 400
400
#7EB500
oklch(70.8% 0.186 128.2)
-
Step 500
500
#6B9B00
oklch(63.1% 0.166 128.3)
-
Step 600
600
#5A8200
oklch(55.6% 0.145 128)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3D5A00
oklch(42.8% 0.112 128.1)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#99CB4E 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) | #D4BE3F | 0.081 |
| Deuteranopia (no green cones) | #CDBB57 | 0.082 |
| Tritanopia (no blue cones) | #9EC2B1 | 0.129 |
| Achromatopsia (no color) | #BCBCBC | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CB4E
#99CB4E
oklch(78.2% 0.163 128.2)
- #D29DFF
#D29DFF
oklch(78.2% 0.146 308.2)
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 #99CB4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.021
- Slime Green #99CC04 ΔE 0.035
- Pea #A4BF20 ΔE 0.035
- Light Olive Green #A4BE5C ΔE 0.044
- Bright Olive #9CBB04 ΔE 0.047
- Light Moss Green #A6C875 ΔE 0.048
- Apple #6ECB3C ΔE 0.050
- Apple Green #76CD26 ΔE 0.051
Use #99CB4E 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.