#99BF3E
Closest named color: Pea (#A4BF20). oklch(75.2% 0.16 124.4), rgb(153, 191, 62).
Aa
Black text reads best on this color (9.87:1).
About this color
#99BF3E is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.160 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.019 away. Black text reads best on it, at 9.87:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #99BF3E |
| RGB | rgb(153, 191, 62) |
| HSL | hsl(78, 51%, 50%) |
| OKLCH | oklch(75.2% 0.16 124.4) |
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 #99BF3E | 2.12:1 | Fails | Lc -46.2 | Large or bold text, headings |
| Black text on #99BF3E | 9.87:1 | AAA | Lc 62.4 | Content text, not long reading |
| #99BF3E text on white | 2.12:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #99BF3E text on black | 9.87:1 | AAA | Lc -60.7 | 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 400.
-
Step 50
50
#F3F7EE
oklch(97.1% 0.013 126.4)
-
Step 100
100
#E5EED9
oklch(93.7% 0.029 126)
-
Step 200
200
#D1E0B8
oklch(88.5% 0.056 124.3)
-
Step 300
300
#B3CC84
oklch(80.9% 0.099 124.2)
-
Step 400
400 (this color)
#99BF3E
oklch(75.2% 0.16 124.4)
-
Step 500
500
#759800
oklch(63% 0.157 124.4)
-
Step 600
600
#628000
oklch(55.6% 0.139 124.4)
-
Step 700
700
#526C00
oklch(49.2% 0.123 124.5)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#374900
oklch(37.6% 0.094 124.1)
-
Step 950
950
#1F2C00
oklch(27.1% 0.068 125.1)
#99BF3E 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) | #C9B32B | 0.068 |
| Deuteranopia (no green cones) | #C4B148 | 0.071 |
| Tritanopia (no blue cones) | #A0B6A5 | 0.131 |
| Achromatopsia (no color) | #B2B2B2 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BF3E
#99BF3E
oklch(75.2% 0.16 124.4)
- #C593FF
#C593FF
oklch(75.2% 0.158 304.2)
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 #99BF3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.019
- Bright Olive #9CBB04 ΔE 0.022
- Mustard Green #A8B504 ΔE 0.031
- Light Olive Green #A4BE5C ΔE 0.033
- Avocado #90B134 ΔE 0.041
- Yellow Green #9ACD32 ΔE 0.041
- Dark Lime #84B701 ΔE 0.044
- Dark Lime Green #7EBD01 ΔE 0.046
Use #99BF3E 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.