#99BE2B
Closest named color: Bright Olive (#9CBB04). oklch(74.8% 0.17 123.3), rgb(153, 190, 43).
Aa
Black text reads best on this color (9.75:1).
About this color
#99BE2B is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.170 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bright Olive (#9CBB04), ΔE 0.012 away. Black text reads best on it, at 9.75:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Bright Olive (#9CBB04) |
| Black text | 9.75:1 |
| White text | 2.15:1 |
Values
| HEX | #99BE2B |
| RGB | rgb(153, 190, 43) |
| HSL | hsl(75, 63%, 46%) |
| OKLCH | oklch(74.8% 0.17 123.3) |
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 #99BE2B | 2.15:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #99BE2B | 9.75:1 | AAA | Lc 61.8 | Content text, not long reading |
| #99BE2B text on white | 2.15:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #99BE2B text on black | 9.75:1 | AAA | Lc -60.1 | 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
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E6EED7
oklch(93.7% 0.032 122.7)
-
Step 200
200
#D1E0B6
oklch(88.5% 0.058 123.6)
-
Step 300
300
#B3CC7E
oklch(80.8% 0.106 123.2)
-
Step 400
400 (this color)
#99BE2B
oklch(74.8% 0.17 123.3)
-
Step 500
500
#789800
oklch(63.2% 0.156 123.3)
-
Step 600
600
#647F00
oklch(55.5% 0.136 123.2)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#445800
oklch(42.8% 0.106 123.5)
-
Step 900
900
#384900
oklch(37.7% 0.093 123.4)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#99BE2B 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) | #C9B200 | 0.068 |
| Deuteranopia (no green cones) | #C4B03A | 0.072 |
| Tritanopia (no blue cones) | #A1B4A3 | 0.142 |
| Achromatopsia (no color) | #B1B1B1 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BE2B
#99BE2B
oklch(74.8% 0.17 123.3)
- #C392FF
#C392FF
oklch(74.9% 0.159 303.5)
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 #99BE2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Olive #9CBB04 ΔE 0.012
- Pea #A4BF20 ΔE 0.015
- Mustard Green #A8B504 ΔE 0.027
- Dark Lime #84B701 ΔE 0.037
- Dark Lime Green #7EBD01 ΔE 0.038
- Avocado #90B134 ΔE 0.040
- Yellow Green #9ACD32 ΔE 0.040
- Slime Green #99CC04 ΔE 0.043
Use #99BE2B 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.