#BBC251
Closest named color: Light Olive (#ACBF69). oklch(78.6% 0.136 112.4), rgb(187, 194, 81).
Aa
Black text reads best on this color (10.94:1).
About this color
#BBC251 is a light, moderately saturated yellow. In OKLCH its lightness is 79%, its chroma 0.136 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.032 away. Black text reads best on it, at 10.94:1.
| Hue family | Yellows |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.94:1 |
| White text | 1.91:1 |
Values
| HEX | #BBC251 |
| RGB | rgb(187, 194, 81) |
| HSL | hsl(64, 48%, 54%) |
| OKLCH | oklch(78.6% 0.136 112.4) |
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 #BBC251 | 1.91:1 | Fails | Lc -40.9 | Non-text elements, placeholder text |
| Black text on #BBC251 | 10.94:1 | AAA | Lc 67.3 | Content text, not long reading |
| #BBC251 text on white | 1.91:1 | Fails | Lc 36.6 | Non-text elements, placeholder text |
| #BBC251 text on black | 10.94:1 | AAA | Lc -65.9 | 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
#F5F7E9
oklch(97.1% 0.019 113.3)
-
Step 100
100
#EAEDCF
oklch(93.6% 0.04 111.8)
-
Step 200
200
#D9DFA5
oklch(88.5% 0.076 112.8)
-
Step 300
300 (this color)
#BBC251
oklch(78.6% 0.136 112.4)
-
Step 400
400
#A3A900
oklch(70.6% 0.157 112.3)
-
Step 500
500
#8C9100
oklch(63.1% 0.14 112.2)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#434600
oklch(37.9% 0.084 112.5)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#BBC251 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) | #CFBA45 | 0.032 |
| Deuteranopia (no green cones) | #D0BD58 | 0.034 |
| Tritanopia (no blue cones) | #C6B7AA | 0.122 |
| Achromatopsia (no color) | #BBBBBB | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC251
#BBC251
oklch(78.6% 0.136 112.4)
- #BBABFF
#BBABFF
oklch(78.6% 0.119 292.2)
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 #BBC251, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.032
- Light Olive Green #A4BE5C ΔE 0.034
- Olive Yellow #C2B709 ΔE 0.038
- Light Moss Green #A6C875 ΔE 0.038
- Mustard Yellow #D2BD0A ΔE 0.040
- Tan Green #A9BE70 ΔE 0.041
- Greenish Tan #BCCB7A ΔE 0.041
- Dark Khaki #BDB76B ΔE 0.046
Use #BBC251 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.