#BBF451
Closest named color: Yellowy Green (#BFF128). oklch(89.8% 0.197 126.7), rgb(187, 244, 81).
Aa
Black text reads best on this color (16.17:1).
About this color
#BBF451 is a light, vivid green. In OKLCH its lightness is 90%, its chroma 0.197 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellowy Green (#BFF128), ΔE 0.020 away. Black text reads best on it, at 16.17:1.
| Hue family | Greens |
| Lightness | light (90%) |
| Chroma | vivid (0.197) |
| Temperature | in between |
| Nearest name | Yellowy Green (#BFF128) |
| Black text | 16.17:1 |
| White text | 1.29:1 |
Values
| HEX | #BBF451 |
| RGB | rgb(187, 244, 81) |
| HSL | hsl(81, 88%, 64%) |
| OKLCH | oklch(89.8% 0.197 126.7) |
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 #BBF451 | 1.29:1 | Fails | Lc -16.8 | Dividers and decoration only |
| Black text on #BBF451 | 16.17:1 | AAA | Lc 89.0 | Fine for body text |
| #BBF451 text on white | 1.29:1 | Fails | Lc 14.6 | Not readable |
| #BBF451 text on black | 16.17:1 | AAA | Lc -89.2 | Fine for body text |
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 200.
-
Step 50
50
#EFFAE2
oklch(97% 0.034 127.2)
-
Step 100
100
#DDF4BF
oklch(93.7% 0.074 126.9)
-
Step 200
200 (this color)
#BBF451
oklch(89.8% 0.197 126.7)
-
Step 300
300
#9DD700
oklch(80.9% 0.208 126.7)
-
Step 400
400
#83B400
oklch(70.8% 0.182 126.7)
-
Step 500
500
#6F9A00
oklch(63.1% 0.162 126.9)
-
Step 600
600
#5D8100
oklch(55.5% 0.142 126.6)
-
Step 700
700
#4E6D00
oklch(49.2% 0.126 126.7)
-
Step 800
800
#3F5900
oklch(42.7% 0.11 126.7)
-
Step 900
900
#344A00
oklch(37.7% 0.097 126.5)
-
Step 950
950
#1D2C00
oklch(26.9% 0.069 127)
#BBF451 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) | #FFE439 | 0.091 |
| Deuteranopia (no green cones) | #F8E15E | 0.094 |
| Tritanopia (no blue cones) | #C2E9D3 | 0.157 |
| Achromatopsia (no color) | #E2E2E2 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBF451
#BBF451
oklch(89.8% 0.197 126.7)
- #E8D3FF
#E8D3FF
oklch(89.8% 0.063 306.7)
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 #BBF451, closest first.
No curated palette has a color within ΔE 0.04 of #BBF451.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellowy Green #BFF128 ΔE 0.020
- Pear #CBF85F ΔE 0.026
- Light Lime #AEFD6C ΔE 0.026
- Pale Lime Green #B1FF65 ΔE 0.028
- Light Lime Green #B9FF66 ΔE 0.028
- Key Lime #AEFF6E ΔE 0.030
- Pale Lime #BEFD73 ΔE 0.032
- Greeny Yellow #C6F808 ΔE 0.032
Use #BBF451 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.